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Model ATRT-03 (v) Operating Instruction

NOTICE

This manual applies to models ATRT-03, ATRT-03A and the ATRT-03B. The operating

procedures are virtually the same for all models; any differences, which relate to the test unit’s

power sources, are clearly described within the step-by-step procedures.

SAFETY WARNINGS AND CAUTIONS

This device shall be used only by

trained operators

All transformers under test shall be off line and fully isolated.

Do Not Service or Test Alone

Do not perform test procedures or service unless another person is also present who is capable of
rendering aid and resuscitation.

Do Not Modify Test Equipment

Due to the added risk of introducing additional or unknown hazards, do not install substitute parts
or perform any unauthorized modification to any model ATRT-03 test unit. To ensure that all
designed safety features are maintained, it is recommended that repairs be performed only by
Vanguard Instruments Co. factory personnel or by an authorized repair service. Unauthorized
modifications can cause serious safety hazards and will nullify the manufacturer's warranty.

Follow Exact Operating Procedures

Any deviation from procedures described in this operator’s manual may create one or more safety
hazards, damage the ATRT-03 or the test transformer, or cause errors in the test results. Vanguard
Instruments Co., Inc. assumes no liability for unsafe or improper use of the ATRT-03.

Содержание ATRT-03

Страница 1: ...ONS for Models ATRT 03 ATRT 03A and ATRT 03B Three Phase Transformer Turns Ratio Meter Vanguard Instruments Co Inc 1710 Grevillea Court Ontario California 91761 TEL 909 923 9390 August 2002 FAX 909 92...

Страница 2: ...Model ATRT 03 v Operating Instruction 2...

Страница 3: ...o Not Modify Test Equipment Due to the added risk of introducing additional or unknown hazards do not install substitute parts or perform any unauthorized modification to any model ATRT 03 test unit T...

Страница 4: ...3A 03B LCD Contrast Control 18 11 2 ATRT 03 03B Test Voltages 18 11 3 ATRT 03 03A 03B RS 232C Computer Control Port 18 12 0 Windows Based PC Transformer Analysis Software 18 13 0 ATRT 03 Cable Hook Up...

Страница 5: ...inting Test Plan Menu 2 63 20 3 Printing Test Plan Menu 3 64 20 4 Typical Single Phase Voltage Regulator Test Plan Print Out 65 20 5 Typical Three Phase Load Tap Changer Test Plan Print Out 66 20 6 Ty...

Страница 6: ...mer Test Procedure Steps cont 45 Table 16 1 Three Phase Transformer Test Procedure Steps 47 Table 16 1 Three Phase Transformer Test Procedure Steps cont 48 Table 17 1 Print Test Record Directory 50 Ta...

Страница 7: ...ng Voltage Entry Display 1 31 Figure 14 5B H Winding Voltage Entry Display 2 31 Figure 14 5C X Winding Voltage Entry Display 1 31 Figure 14 5D X Winding Voltage Entry Display 2 31 Figure 14 6 Start Te...

Страница 8: ...Wye to Delta Test Plan Print Out 67 Figure 21 1 Test Record Menu 69 Figure 21 1A Typical Test Plan Header 69 Figure 22 1 Test Plan Identification Menu 72 Figure 22 2 Test Plan Loaded in Memory Menu 73...

Страница 9: ...inding ratios winding polarity and excitation current in milliamperes the ATRT 03 03A 03B also has the following features The ATRT 03 03A 03B allows users to enter nameplate voltages for specified tur...

Страница 10: ...ing is always done in a step down transfer manner If a connection error is detected the ATRT 03 03A 03B aborts the test and displays Hook Up Error If no hookup error is detected the ATRT 03 03A 03B ap...

Страница 11: ...0 2 1 500 1 999 1 0 2 000 15 000 2 0 Calibration Self Calibrating No operator calibration required Excitation Voltage ATRT 03 03B 8 Vac 40 Vac 100 Vac Selectable ATRT 03A 20 Vac Excitation Current ATR...

Страница 12: ...ot Three Phase Cables 1 7 Power cord 1 8 DC power cord Note 1 9 Ground Cable 1 Note 1 A canvas cable carrying bag is included with the cable set 2 DC power cord is supplied with the ATRT 03A only 6 0...

Страница 13: ...del ATRT 03 v Operating Instruction 11 7 0 ATRT 03 03A 03B Front Panel Descriptions 7 1 ATRT 03 Operating Controls and Indicators Figure 7 1 Model ATRT 03 Front Panel Controls Indicators and Connector...

Страница 14: ...h third wire safety ground 6 None Wing nut ATRT 03 ground stud Connect the ground stud to substation ground 7 None Printer Thermal printer 4 5 inch wide 8 None Keypad Pushbutton operating controls 16...

Страница 15: ...Model ATRT 03 v Operating Instruction 13 7 2 ATRT 03A Operating Controls and Indicators Figure 7 2 Model ATRT 03A Front Panel Controls Indicators and Connectors...

Страница 16: ...c 2A Fast Blow Input power connector and fused power switch with third wire safety ground 8 None Wing nut ATRT 03A ground stud Connect this ground stud to substation ground 9 None Printer Thermal prin...

Страница 17: ...Model ATRT 03 v Operating Instruction 15 7 3 ATRT 03B Operating Controls and Indicators Figure 7 3 Model ATRT 03B Front Panel Controls Indicators and Connectors...

Страница 18: ...Fuse 250Vac 2A Fast Blow Input power connector and fused power switch with third wire safety ground 6 None Wing nut ATRT 03B ground stud Connect this ground stud to substation ground 7 EMERGENCY TURN...

Страница 19: ...bilities The ATRT 03 03A 03B is capable of storing up to 200 transformer test records These test records are stored in the FLASH EEPROM Users can retrieve these records from the FLASH EEPROM to be eit...

Страница 20: ...ol must be enabled before it can be controlled via the RS 232C port Refer to section 24 0 for procedures to enable the computer interface control 12 0 Windows Based PC Transformer Analysis Software Wi...

Страница 21: ...T 03 v Operating Instruction 19 13 3 Typical Transformer Connection to ATRT 03 03A 03B Figure 13A Typical Connection for Single Phase Transformer Figure 13B Typical Connection for Single Phase Auto Tr...

Страница 22: ...Model ATRT 03 v Operating Instruction 20 Figure 13C Typical Connection for Type A Voltage Regulator Figure 13D Typical Connection for Type B Voltage Regulator...

Страница 23: ...Model ATRT 03 v Operating Instruction 21 Figure 13E Typical Connection for Donut Type un mounted CT Figure 13F Typical Connection for Multi tap CT...

Страница 24: ...Model ATRT 03 v Operating Instruction 22 Figure 13G Typical Connection for Bushing Mount CT single phase 2 winding transformer...

Страница 25: ...Model ATRT 03 v Operating Instruction 23 Figure 13H Typical Connection for Bushing Mount CTs on Delta Transformer...

Страница 26: ...Model ATRT 03 v Operating Instruction 24 Figure 13I Typical Connection for Bushing Mount CTs on Wye Transformer...

Страница 27: ...te voltage XFMR NAME PLATE VLTG 1 YES 2 NO Press key 1 4 Enter H line voltage ENTER H WINDING NAME PLATE VOLTAGE V Use keys 0 9 5 Confirm H voltage ENTER H WINDING NAME PLATE VOLTAGE 7200 V Press ENTE...

Страница 28: ...re Test Results in FLASH EEPROM SAVE THIS RECORD 1 YES 2 NO Press key 1 17 Test Results Saved in FLASH EEPROM confirmation RECORD NUMBER 3 HAS BEEN SAVED Press any Key 18 Return to main menu 1 TEST XF...

Страница 29: ...ually enter voltage data for transformer turns ratio calculation and run diagnostics on the unit b Origin The Start Up menu first displays after power is applied to the ATRT 03 03A 03B c Action Option...

Страница 30: ...RMER CONFIGURATION menu display as a result of pressing key 1 from the Start Up menu see Figure 14 1 c Action Option Press key 1 2 3 4 5 or 6 depending upon the transformer configuration to be tested...

Страница 31: ...his menu allows the operator to pause between phases or proceed to the next phase automatically b Origin This menu is displayed after the operator selects the transformer type to be tested c Action Op...

Страница 32: ...rom options listed in Figure 14 4 c Action Option Press key 1 YES to use the calculated ratio in the test results and advance to Transformer Name Plate Voltage menu Figure 14 5 Press key 2 NO to bypas...

Страница 33: ...TAGE V Figure 14 5A H Winding Voltage Entry Display 1 ENTER H WINDING NAME PLATE VOLTAGE 7200V Figure 14 5B H Winding Voltage Entry Display 2 ENTER X WINDING NAME PLATE VOLTAGE V Figure 14 5C X Windin...

Страница 34: ...calculation The user must enter the transformer nameplate line voltages b Origin H and X voltage data entry menu will appear if the user has pressed the YES key on the Nameplate Voltage Selection men...

Страница 35: ...ABORT Figure 14 6 Start Test Menu a Description This menu allows the user to start or abort a test b Origin After the user enters the nameplate voltages see Figure 14 5 or selects NO on the XFMR NAME...

Страница 36: ...iamps and turns ratio error percentage A typical turns ratio test result screen is shown on Figure 14 7 above The display result is explained below Ratio displayed 15 006 Polarity displayed in phase E...

Страница 37: ...he current test result displayed on the LCD screen using the built in thermal printer Follow the step below to print test results b Origin Menu appears after operator presses any key from Transformer...

Страница 38: ...the report format when the operator first asks for Print Test Results See Figure 14 10 for a typical column format printout See Figure 14 11 for a detailed format printout b Origin This menu is displa...

Страница 39: ...p line of print out 2 Test voltage is 40 volts in this test See section 26 0 for more detail about test voltages 3 Type of transformer under test is single phase 4 H tap voltage is 7 200 volts 5 X tap...

Страница 40: ...olts in this test See section 26 0 for more detail about test voltages 3 Type of transformer under test is single phase 4 H tap voltage is 7 200 volts 5 X tap voltage is 480 volts 6 Measured ratio is...

Страница 41: ...current results After the last test the ATRT 03 03A 03B will ask if the user wants to store all test results in the scratch pad memory into the FLASH EEPROM b Origin After the test results are printed...

Страница 42: ...ing another Delta to Wye test The ATRT 03 03A 03B will present this menu after the first result displayed The user can append this new test results to the previous test results still residing in the s...

Страница 43: ...ct to run another test on the transformer or end the current test from this menu b Origin After Keep Transformer Ratio Reading or Append This Reading menu c Action Option Select key 1 to run another t...

Страница 44: ...The user can transfer all test results from the scratch pad memory and save these in the FLASH EEPROM The ATRT 03 03A 03B can store up to 200 test records in the FLASH EEPROM b Origin After selecting...

Страница 45: ...EEN SAVED Figure 14 16 Record Storage Confirmation Menu a Description The ATRT 03 03A 03B will assign a test record identification number to each of the records saved in the FLASH EEPROM b Origin Sele...

Страница 46: ...YES 2 NO Press key 1 4 Select no stop between phases STOP BETWEEN PHASES 1 NO 2 YES Select key 1 5 Enter H line voltage ENTER H WINDING NAME PLATE VOLTAGE V Use keys 0 9 6 Confirm H voltage ENTER H W...

Страница 47: ...ormat print report 14 Store reading in buffer KEEP THIS READING 1 YES 2 NO Press key 1 15 End test RUN ANOTHER TEST 1 YES 2 NO Press key 2 16 Store Test Results in FLASH EEPROM SAVE THIS RECORD 1 YES...

Страница 48: ...oltage is 40 volts in this test See section 11 2 for more detail about test voltages 3 Type of transformer under test is Delta to Wye 4 H tap voltage is 12 000 volts 5 X tap voltage is 208 volts 6 Cal...

Страница 49: ...SCROLL RVS Use UP key 5 Confirm Special Test ST 8 Dy11 XMFR ENTER TO USE TEST Press ENTER 6 Do not use nameplate voltage XFMR NAME PLATE VLTG 1 YES 2 NO Press key 2 7 Install jumper from H2 to H3 Bef...

Страница 50: ...ffer KEEP THIS READING 1YES 2 NO Press key 1 15 End test RUN ANOTHER TEST 1 YES 2 NO Press key 2 16 Store Test Results in FLASH EEPROM SAVE THIS RECORD 1 YES 2 NO Press key 1 17 Test Results Saved in...

Страница 51: ...Model ATRT 03 v Operating Instruction 49 16 1 Special Transformer Test Print Out Figure 16 1 Special Dy11Transformer Test Print Out...

Страница 52: ...IRECTORY 3 ERASE RECORD Press key 2 4 Select Short directory PRINT DIRECTORY 1 FULL DIRECTORY 2 SHORT DIRECTORY Press key 2 1 RESTORE RECORD 2 DIRECTORY 3 ERASE RECORDS Figure 17 1 Select Test Record...

Страница 53: ...ry or long directory Short directory selection will print the last 10 record headers in FLASH EEPROM Long directory selection will print all test record headers in FLASH EEPROM b Origin From the Start...

Страница 54: ...Model ATRT 03 v Operating Instruction 52 17 3 Test Record Directory Print Out Figure 17 3 Test Record Directory Print Out...

Страница 55: ...3 Select Restore Record 1 RESTORE RECORD 2 DIRECTORY 3 ERASE RECORD Press key 1 4 Restoring a test record using record number RESTORE RECORD 1 ENTER RECORD NUMBR 2 SCROLL TO SELECT Press key 1 5 Ente...

Страница 56: ...e a test record 2 Print record directory in FLASH EEPROM 3 Erase test records in FLASH EEPROM b Origin From the Start Up menu see Figure 14 1 press key 2 SET UP Then on the next display press 3 RESTOR...

Страница 57: ...Test Record Menu a Description The user can restore a test record from FLASH EEPROM as follows 1 Select key 1 to enter a specific record number 2 Select key 2 to scroll to the record number b Origin...

Страница 58: ...t Record Menu 2 a Description The user can restore a test record from FLASH EEPROM by entering the record number b Origin From the Start Up menu see Figure 14 1 press key 2 SET UP Press key 3 RESTORE...

Страница 59: ...he test results on the LCD or print the test results on the thermal printer b Origin From the Start Up menu see Figure 14 1 press key 2 SET UP Press key 3 RESTORE RECORD Press key 1 RESTORE RECORD Pre...

Страница 60: ...d number RESTORE RECORD 1 ENTER RECORD NUMBR 2 SCROLL TO SELECT Press key 1 5 Enter record number RESTORE RECORD NUMBER ENTER TO CONFIRM Use key 0 9 to enter record number 6 Confirm record number REST...

Страница 61: ...displays the Transformer Manufacturer Name 4 The above transformer s ID is shown as follows Substation ONTARIO AIRPORT Circuit 220KV EAST Mfr GE 4 Use the or key advance to the next screen SINGLE PHAS...

Страница 62: ...rd LCD Display Third Screen Note 1 The first line of the screen displays the test number In the example above the display is showing the test results from test 1 of the record 2 The second line of the...

Страница 63: ...T PLAN menu 1 COMPUTER CONTROL 2 SET TIME 3 SET TEST VOLTAGE 4 TEST PLANS Press key 4 4 Select PRINT TEST PLAN 1 LOAD TEST PLAN 2 UNLOAD TEST PLAN 3 TST PLAN DIRECTORY 4 PRINT TEST PLAN Press key 4 PR...

Страница 64: ...can 1 Load a Test Plan from FLASH EEPROM to be used in a test 2 Unload Test Plan from test memory Note 3 Print Test Plan directory 4 Print Test Plan b Origin From the Start Up menu see Figure 14 1 pre...

Страница 65: ...s from the FLASH EEPROM can be printed from this menu The user can select the Test Plan by entering the Test Plan number or scroll through the directory b Origin From the Start Up menu see Figure 14 1...

Страница 66: ...ress key 2 SCROLL TO SELECT c Action Option Use or to test plan Press ENTER key to print test plan 2V SNG PHS TAPS 5 WESTINGHOUSE 200288 Voltage Reg Test Plan Figure 20 3A Typical Test Plan Header Not...

Страница 67: ...Model ATRT 03 v Operating Instruction 65 20 4 Typical Single Phase Voltage Regulator Test Plan Print Out Figure 20 4 Typical Single Phase Voltage Regulator Print Out...

Страница 68: ...Model ATRT 03 v Operating Instruction 66 20 5 Typical Three Phase Load Tap Changer Test Plan Print Out Figure 20 5 Typical Three Phase Load Tap Changer Test Plan Print Out...

Страница 69: ...Model ATRT 03 v Operating Instruction 67 20 6 Typical Wye to Delta Test Plan Print Out Figure 20 6 Typical Wye to Delta Test Plan Print Out...

Страница 70: ...ATOR 4 DIAGNOSTIC Press key 2 2 Select NEXT PAGE menu 1 ENTER XFRMR ID 2 REVIEW RECORD 3 RESTORE RECORD 4 NEXT PAGE Press key 4 3 Select TEST PLAN menu 1 COMPUTER CONTROL 2 SET TIME 3 SET TEST VOLTAGE...

Страница 71: ...the Start Up menu see Figure 14 1 press key 2 SET UP Press key 4 NEXT PAGE Press key 4 TEST PLAN Press key 4 LOAD TEST PLAN c Action Option Press key 1 to enter the Test Plan number Press key 2 to scr...

Страница 72: ...OAD TEST PLAN 1 LOAD TEST PLAN 2 UNLOAD TEST PLAN 3 TST PLAN DIRECTORY 4 PRINT TEST PLAN Press key 1 5 Select Test Plan by Scrolling LOAD TEST PLAN 1 ENTER PLAN NUMBER 2 SCROLL TO SELECT Press key 2 t...

Страница 73: ...to RUN TEST Press START key to run test 17 Observe ratio excitation current and percentage error RATIO mA DIFF 53 319 0001 0 03 P None 18 Go to next screen RATIO mA DIFF 53 319 0001 0 03 P Press any...

Страница 74: ...f test on test plan and special note from the user The following information belongs to the test plan above 1 The test plan above is the second test plan stored in memory 2 Transformer type is Single...

Страница 75: ...his menu indicates that Test Plan 2 is loaded in memory b Origin This menu is shown after the user pressed ENTER from menu shown in Figure 22 1 c Action Option Press key 1 to use test plan Press key 2...

Страница 76: ...st Plan a Description This display shows the measured transformer ratio excitation current percentage error and PASS FAIL condition of this test b Origin This menu is shown after the ATRT 03 03A 03B r...

Страница 77: ...ating Instruction 75 22 4 Test Result Print Out Using Test Plan Figure 22 4 Test Result Print Out of a Single Phase Transformer Test Using Test Plan Note PASS and FAIL status is shown as P or F next t...

Страница 78: ...2 REVIEW RECORD 3 SAV RES RECORD 4 NEXT PAGE Press key 4 3 Select Set Time menu 1 COMPUTER CONTROL 2 SET TIME 3 SET TEST VOLTAGE Press key 2 4 Enter Time and Date ENTER MM DD YY HH MM SS Use keys 0 9...

Страница 79: ...03B has a real time clock powered with a back up battery The ATRT 03 03A 03B displays the current time and date in the upper right of the Start Up menu screen see Figure 14 1 b Origin From the Start U...

Страница 80: ...ISPLAY ACTION 1 Select Set Up menu 1 TEST XFMR 04 12 00 2 SETUP 13 06 00 3 CALCULATOR 4 DIAGNOSTIC Press key 2 2 Select Next Page menu 1 ENTER XFMR ID 2 REVIEW RECORD 3 SAV RES RECORD 4 NEXT PAGE Pres...

Страница 81: ...e ATRT 03 from a PC Using this software the user can transfer test records stored in the ATRT 03 03A 03B FLASH EEPROM to a PC or store transformer test plan into ATRT 03 03A 03B memory b Origin On the...

Страница 82: ...00 3 CALCULATOR 4 DIAGNOSTIC Press key 2 2 Select Enter Xfmr ID menu 1 ENTER XFMR ID 2 REVIEW RECORD 3 SAV RES RECORD 4 NEXT PAGE Press key 1 3 Enter Company name COMPANY Use 0 9 keys to enter Compan...

Страница 83: ...odel Use Enter key to confirm 8 Enter Transformer Serial Number SERIAL NUMBER Use 0 9 keys to enter Transformer serial number Use Enter key to confirm 9 Enter Transformer KVA rating KVA RATING Use 0 9...

Страница 84: ...RECORD 4 NEXT PAGE Press key 4 3 Select Set Test Voltage menu 1 COMPUTER CONTROL 2 SET TIME 3 SET TEST VOLTAGE 4 TEST PLANS Press key 3 4 Select 8 Vac test voltage Note 1 SELECT TEST VOLTAGE 1 8V CT...

Страница 85: ...ers in a noisy environment The test voltage can be selected when using the Computer Interface Mode or from the keypad in the Stand Alone Mode SELECT TEST VOLTAGE 1 8V CT TEST 2 40V NORMAL TEST 3 100V...

Страница 86: ...gnostic menu 1 TEST XFMR 04 12 00 2 SETUP 13 06 00 3 CALCULATOR 4 DIAGNOSTIC Press key 4 2 Select Cable Test menu DIAGNOSTIC 1 CABLE TEST 2 VERIFICATION TEST Press key 1 3 Connect cables CABLE TEST CO...

Страница 87: ...elect Verification Test menu DIAGNOSTIC 1 CABLE TEST 2 VERIFICATION TEST Press key 2 3 Connect cables CABLE TEST CONNECT H0 X0 H1 X1 H2 X2 H3 X3 THEN ENTER KEY Press ENTER key 4 ATRT 03 run Delta to D...

Страница 88: ...Model ATRT 03 v Operating Instruction 86 APPENDEX A Table of Standard Transformers...

Страница 89: ...Model ATRT 03 v Operating Instruction 87 APPENDIX B Table of Non Standard Transformers...

Страница 90: ...Model ATRT 03 v Operating Instruction 88 APPENDIX B Table of Non Standard Transformers cont...

Страница 91: ...Model ATRT 03 v Operating Instruction 89 APPENDIX B Table of Non Standard Transformers cont...

Страница 92: ...Model ATRT 03 v Operating Instruction 90 APPENDIX B Table of Non Standard Transformers cont...

Страница 93: ...Model ATRT 03 v Operating Instruction 91 1710 Grevillea Court Ontario CA 91761 USA Phone 909 923 9390 Fax 909 923 9391 Website http www vanguard instruments com...

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